package cn.lkx.commonutils;

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
/**
 * 创建接口统一返回结果类
 */
import java.util.HashMap;
import java.util.Map;
@Data
public class R {
    @ApiModelProperty(value = "是否成功")
    private Boolean success;
    @ApiModelProperty(value = "返回码")
    private Integer code;
    @ApiModelProperty(value = "返回消息")
    private String message;
    @ApiModelProperty(value = "返回数据")
    private Map<String, Object> data = new HashMap<String, Object>();

    private R(){}  //构造方法私有化，让其他类无法创建此对象，只能调用 这里的静态方法

    public static R ok(){
        R r = new R();
        r.setSuccess(true);
        r.setCode(ResultCode.SUCCESS);
        r.setMessage("成功");
        return r;
    }

    public static R error(){
        R r = new R();
        r.setSuccess(false);
        r.setCode(ResultCode.ERROR);
        r.setMessage("失败");
        return r;
    }

    //链式编程   R.ok().code().data
    public R success(Boolean success){
        this.setSuccess(success);
        return this;  //达到链式编程目的
    }

    public R message(String message){
        this.setMessage(message);
        return this;
    }

    public R code(Integer code){
        this.setCode(code);
        return this;
    }

    public R data(String key, Object value){
        this.data.put(key, value);
        return this;
    }

    public R data(Map<String, Object> map){
        this.setData(map);
        return this;
    }



}
